P-660HWP-Dx Support Notes
All contents copyright © 2007 ZyXEL Communications Corporation.
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One rule configured for using
Many-to-Many No Overload
mapping type is
shown below.
We can also do this by configure three
One-to-One
mapping type rules.
6
.
Using the Dynamic DNS (DDNS)
What is DDNS?
The DDNS service, an IP Registry provides a public central database where
information such as email addresses, hostnames, IPs etc. can be stored and
retrieved. This solves the problems if your DNS server uses an IP associated
with dynamic IPs.
Without DDNS, we always tell the users to use the WAN IP of the
P-660HWP-Dx to access the internal server. It is inconvenient for the users if
this IP is dynamic. With DDNS supported by the P-660HWP-Dx, you apply a
DNS name (e.g., www.zyxel.com.tw) for your server (e.g., Web server) from a